Electric toothbrush



FIG. 1 is a front, right side, top perspective view of the electric toothbrush showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line shown in the center of the toothbrush head, which defines the bounds of the claimed design, forms no part thereof. The broken lines shown on the bottom plan view in FIG. 7 illustrate features of the article that form no part of the claimed design. 

CLAIM The ornamental design for an electric toothbrush, as shown and described. 